The Square D Osiswitch XCKT2102G11 is a compact modular limit switch built for general-duty position sensing in industrial machinery. It carries a steel top roller plunger actuator that triggers a snap-action contact block with a 1NO-1NC configuration. The 240 VAC 10 A and 250 VDC 0.27 A contact rating covers most control-circuit and light-to-medium power switching on conveyors, packaging lines, and machine guards. The NEMA 1/2/4/6/12/13 and IP66/IP67 enclosure means this switch handles washdown environments, dust, and temporary submersion — suitable for food-and-bev lines, outdoor transfer stations, and wash-down zones on a lube route where grease and water spray are constant. Approved to UL 508 and CSA C22.2, and designed to EN/IEC 60204-1 and EN/IEC 60947-5-1. That covers the safety and performance standards for industrial control equipment in North America and Europe.
Connection is through a PG11 cable gland with screw clamp terminals — no M12 quick-disconnect. That's a field-wiring detail to plan for: you'll need a PG11-compatible cable or adapter, and the wiring is landed inside the switch body, not on a plug-in base.